package com.lagou.common;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.github.pagehelper.PageInfo;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NotNull;

import java.io.Serializable;

@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
public class ServerResponse <T> implements Serializable {
    private int status;
    private String msg;
    private T data;

    private ServerResponse(int status, String msg, T data) {
        this.status = status;
        this.msg = msg;
        this.data = data;
    }

    private ServerResponse(int status, String msg) {
        this.status = status;
        this.msg = msg;
    }

    private ServerResponse(int status, T data) {
        this.status = status;
        this.data = data;
    }

    private ServerResponse(int status) {
        this.status = status;
    }


    public int getStatus() {
        return status;
    }

    public String getMsg() {
        return msg;
    }

    public T getData() {
        return data;
    }

    @JsonIgnore
    public boolean isSuccess() {
        return this.status == ResponseCode.SUCCESS.getCode();
    }

    public static <T> ServerResponse<T> createBySuccess() {
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }


    public static <T> ServerResponse<T> createBySuccessMessage(String msg) {
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg);
    }

    public static <T> ServerResponse<T> createByError() {
        return new ServerResponse<T>( ResponseCode.ERROR.getCode());
    }

    public static <T> ServerResponse<T> createByErrorMessage(String errorMessage) {
        return new ServerResponse<T>( ResponseCode.ERROR.getCode(), errorMessage);
    }

    public static <T> ServerResponse<T> createBySuccessData(T data) {
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),data);
    }

}
